JSCalendar: A JSON representation of calendar data
draft-ietf-calext-jscalendar-18

Document Type Active Internet-Draft (calext WG)
Last updated 2019-07-23
Replaces draft-jenkins-jscalendar
Stream IETF
Intended RFC status Proposed Standard
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Calendaring extensions                                        N. Jenkins
Internet-Draft                                               R. Stepanek
Intended status: Standards Track                                Fastmail
Expires: January 24, 2020                                  July 23, 2019

           JSCalendar: A JSON representation of calendar data
                    draft-ietf-calext-jscalendar-18

Abstract

   This specification defines a data model and JSON representation of
   calendar data that can be used for storage and data exchange in a
   calendaring and scheduling environment.  It aims to be an
   alternative, and over time successor to, the widely deployed
   iCalendar data format and to be unambiguous, extendable and simple to
   process.  In contrast to the JSON-based jCal format, it is not a
   direct mapping from iCalendar and expands semantics where
   appropriate.

Status of This Memo

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   This Internet-Draft will expire on January 24, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   (https://trustee.ietf.org/license-info) in effect on the date of
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   to this document.  Code Components extracted from this document must

Jenkins & Stepanek      Expires January 24, 2020                [Page 1]
Internet-Draft                 JSCalendar                      July 2019

   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.1.  Motivation and Relation to iCalendar and jCal . . . . . .   5
     1.2.  Notational Conventions  . . . . . . . . . . . . . . . . .   5
     1.3.  Type Signatures . . . . . . . . . . . . . . . . . . . . .   6
     1.4.  Data Types  . . . . . . . . . . . . . . . . . . . . . . .   6
       1.4.1.  Int . . . . . . . . . . . . . . . . . . . . . . . . .   6
       1.4.2.  UnsignedInt . . . . . . . . . . . . . . . . . . . . .   6
       1.4.3.  UTCDateTime . . . . . . . . . . . . . . . . . . . . .   7
       1.4.4.  LocalDateTime . . . . . . . . . . . . . . . . . . . .   7
       1.4.5.  Duration  . . . . . . . . . . . . . . . . . . . . . .   7
       1.4.6.  SignedDuration  . . . . . . . . . . . . . . . . . . .   8
       1.4.7.  Id  . . . . . . . . . . . . . . . . . . . . . . . . .   8
       1.4.8.  PatchObject . . . . . . . . . . . . . . . . . . . . .   8
       1.4.9.  Time Zones  . . . . . . . . . . . . . . . . . . . . .   9
   2.  JSCalendar Objects  . . . . . . . . . . . . . . . . . . . . .   9
     2.1.  JSEvent . . . . . . . . . . . . . . . . . . . . . . . . .   9
     2.2.  JSTask  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     2.3.  JSGroup . . . . . . . . . . . . . . . . . . . . . . . . .  10
   3.  Structure of JSCalendar Objects . . . . . . . . . . . . . . .  10
     3.1.  Normalization and Equivalence . . . . . . . . . . . . . .  10
     3.2.  Custom Property Extensions and Values . . . . . . . . . .  11
   4.  Common JSCalendar Properties  . . . . . . . . . . . . . . . .  11
     4.1.  Metadata Properties . . . . . . . . . . . . . . . . . . .  11
       4.1.1.  @type . . . . . . . . . . . . . . . . . . . . . . . .  11
       4.1.2.  uid . . . . . . . . . . . . . . . . . . . . . . . . .  12
       4.1.3.  relatedTo . . . . . . . . . . . . . . . . . . . . . .  12
       4.1.4.  prodId  . . . . . . . . . . . . . . . . . . . . . . .  13
       4.1.5.  created . . . . . . . . . . . . . . . . . . . . . . .  13
       4.1.6.  updated . . . . . . . . . . . . . . . . . . . . . . .  13
       4.1.7.  sequence  . . . . . . . . . . . . . . . . . . . . . .  13
       4.1.8.  method  . . . . . . . . . . . . . . . . . . . . . . .  14
     4.2.  What and Where Properties . . . . . . . . . . . . . . . .  14
       4.2.1.  title . . . . . . . . . . . . . . . . . . . . . . . .  14
       4.2.2.  description . . . . . . . . . . . . . . . . . . . . .  14
       4.2.3.  descriptionContentType  . . . . . . . . . . . . . . .  14
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